Baylea heterocarinata, from Pan (1985).

Belongs within: Vetigastropoda.

The Gosseletinidae are a group of gastropods known from the Middle Ordovician to the Triassic (Knight et al. 1960).

Characters (from Knight et al. 1960): Labral slit short, selenizone flat and generally without bordering threads.

    |--Triangularia Frech 1894 [Triangulariinae]BR05
    |    `--*T. paradoxa Frech 1894KC60
    |    |--Pseudocryptaenia Koken 1925KC60
    |    |    `--*P. lahuseni (Koken 1897) [=Pleurotomaria lahuseni]KC60
    |    |--Stenoloron Oehlert 1888KC60
    |    |    `--*S. viennayi (Oehlert 1888) [=Pleurotomaria (*Stenoloron) viennayi]KC60
    |    |--Platyloron Oehlert 1888KC60
    |    |    `--*P. bishofi (Goldfuss 1844) [=Pleurotomaria bishofi]KC60
    |    |--Rufilla Koken 1896KC60
    |    |    `--*R. densecincta Koken 1896KC60
    |    |--Callistadia Knight 1945P85
    |    |    |--*C. bella Knight 1945KC60
    |    |    `--C. qinglongensis Pan 1985P85
    |    |--Gosseletina Bayle 1885 [=Gosseletia de Koninck 1883 non Barrois 1882]BR17
    |    |    |--*G. callosa (de Koninck 1843)TE01 [=Pleurotomaria callosaTE01, *Gosseletia callosaKC60]
    |    |    |--G. calypsoTE01
    |    |    |--G. dangchangensis Tong & Erwin 2001TE01
    |    |    `--G. fasciolata (Münster 1841)TE01
    |    `--Baylea deKoninck 1883P85 [=Yvania Fischer 1885KC60]
    |         |--*B. yvanii (Léveillé 1835) [=Trochus yvanii, *Yvania yvanii]KC60
    |         |--B. heterocarinata Pan 1985P85
    |         |--B. konincki [=Yvania konincki]F71
    |         |--B. multicarinataP85
    |         |--‘Yvania’ reticulataW63
    |         `--‘Yvania’ salmonensisW63
         |  i. s.: Umbotropis Perner 1903FB04
         |           |--*U. albicans Perner 1903KC60
         |           `--U. rihai Frýda & Bandel 1997FB04
         |         Humboldtiella Blodgett & Frýda 1999FB04
         |           `--*H. undulata (Roemer 1843)FB04
         |         Arctozone Frýda & Blodgett 2004FB04
         |           `--*A. cooki Frýda & Blodgett 2004FB04
         |--Planozonini [Planozonides]KC60
         |    |--Planozone Perner 1907BR05
         |    |    `--*P. ramificans Perner 1907KC60
         |    |--Pleurorima Perner 1907KC60
         |    |    `--P. pragensis (Koken 1889) (see below for synonymy)KC60
         |    `--Cataschisma Branson 1909 [incl. Globispira Koken 1925]KC60
         |         |--*C. typa Branson 1909KC60
         |         `--C. exquisitaKC60
         `--Coelozonini [Coelozonides, Euryzoninae]BR05
              |--Coelozone Perner 1907BR05
              |    `--C. verna Barrande 1907BR17 [=Pleurotomaria (*Coelozone) vernaKC60]
              |--Euryzone Koken 1896BR05
              |    `--*E. delphinuloides (Schlotheim 1842) [=Helicites delphinuloides]BR17
              |--Latitaenia Koken 1925KC60
              |    `--*L. rotelloidea (Koken 1896) [=Pleurotomaria rotelloidea]KC60
              `--Conotoma Perner 1907KC60
                   `--*C. eximia (Perner 1907) [=Pleurotomaria (Clathrospira) eximia]KC60

Pleurorima pragensis (Koken 1889) [=Pleurotomaria pragensis; incl. Pleurotomaria (*Pleurorima) migrans Perner 1907]KC60

*Type species of generic name indicated


[BR05] Bouchet, P., & J.-P. Rocroi. 2005. Classification and nomenclator of gastropod families. Malacologia 47 (1–2): 1–397.

[BR17] Bouchet, P., J.-P. Rocroi, B. Hausdorf, A. Kaim, Y. Kano, A. Nützel, P. Parkhaev, M. Schrödl & E. E. Strong. 2017. Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia 61 (1–2): 1–526.

[F71] Fletcher, H. O. 1971. Catalogue of type specimens of fossils in the Australian Museum, Sydney. Australian Museum Memoir 13: 1–167.

[FB04] Frýda, J., & R. B. Blodgett. 2004. New Emsian (Late Early Devonian) gastropods from Limestone Mountain, Medfra B-4 quadrangle, west-central Alaska (Farewell Terrane), and their paleobiogeographic affinities and evolutionary significance. Journal of Paleontology 78 (1): 111–132.

[KC60] Knight, J. B., L. R. Cox, A. M. Keen, R. L. Batten, E. L. Yochelson & R. Robertson. 1960. Gastropoda: systematic descriptions. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt I. Mollusca 1: Mollusca—General Features, Scaphopoda, Amphineura, Monoplacophora, Gastropoda—General Features, Archaeogastropoda and some (mainly Paleozoic) Caenogastropoda and Opisthobranchia pp. I169–I331. Geological Society of America, and University of Kansas Press.

[P85] Pan Y.-T. 1985. Fossil Gastropoda from the Permian of Sichuan, Guizhou, Yunnan and Guangxi. Acta Palaeontologica Sinica 24 (1): 29–37.

[TE01] Tong, J., & D. H. Erwin. 2001. Triassic gastropods of the southern Qinling Mountains, China. Smithsonian Contributions to Paleobiology 92: 1–47.

[W63] Waterhouse, J. B. 1963. Permian gastropods of New Zealand. Part 3—Pleurotomariacea (concluded). New Zealand Journal of Geology and Geophysics 6 (4): 587–622.

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